Assessment of the loss of radioactive isotopes from solidified wastes

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Amounts of /sup 137/Cs and /sup 239/Pu entering the environment by leaching of grout products are predicted as functions of time, considering a 55-gal drum as a finite source and as a semi-infinite medium with and without decay. Significant differences between finite-cylinder and semi-infinite-medium calculations appear after a few years of leaching when the effective diffusivity (D) is 1.2 x 10/sup -9/ cm/sup 2//s, but do not appear up to 3,000 years when D is 6.0 x 10/sup -16/ cm/sup 2//s. The smaller D is and the larger the size is, the longer a finite specimen will behave as a ... continued below

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Pages: 9

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Godbee, H.W.; Kibbey, A.H. & Joy, D.S. January 1, 1978.

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Description

Amounts of /sup 137/Cs and /sup 239/Pu entering the environment by leaching of grout products are predicted as functions of time, considering a 55-gal drum as a finite source and as a semi-infinite medium with and without decay. Significant differences between finite-cylinder and semi-infinite-medium calculations appear after a few years of leaching when the effective diffusivity (D) is 1.2 x 10/sup -9/ cm/sup 2//s, but do not appear up to 3,000 years when D is 6.0 x 10/sup -16/ cm/sup 2//s. The smaller D is and the larger the size is, the longer a finite specimen will behave as a semi-infinite medium. (DLC)

Physical Description

Pages: 9

Notes

Dep. NTIS, PC A02/MF A01.

Source

  • ANS - The Back End of the LWR Fuel Cycle, Savannah, GA, USA, 19 Mar 1978

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  • Report No.: CONF-780304-9
  • Grant Number: W-7405-ENG-26
  • Office of Scientific & Technical Information Report Number: 5064975
  • Archival Resource Key: ark:/67531/metadc1059961

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • January 1, 1978

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

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  • Feb. 1, 2018, 6:04 p.m.

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Godbee, H.W.; Kibbey, A.H. & Joy, D.S. Assessment of the loss of radioactive isotopes from solidified wastes, article, January 1, 1978; Tennessee. (digital.library.unt.edu/ark:/67531/metadc1059961/: accessed September 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.